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Microservices Communication in .NET Using gRPC

You're reading from   Microservices Communication in .NET Using gRPC A practical guide for .NET developers to build efficient communication mechanism for distributed apps

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Product type Paperback
Published in Feb 2022
Publisher Packt
ISBN-13 9781803236438
Length 486 pages
Edition 1st Edition
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Author (1):
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Fiodar Sazanavets Fiodar Sazanavets
Author Profile Icon Fiodar Sazanavets
Fiodar Sazanavets
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Toc

Table of Contents (17) Chapters Close

Preface 1. Section 1: Basics of gRPC on .NET
2. Chapter 1: Creating a Basic gRPC Application on ASP.NET Core FREE CHAPTER 3. Chapter 2: When gRPC Is the Best Tool and When It Isn't 4. Chapter 3: Protobuf – the Communication Protocol of gRPC 5. Section 2: Best Practices of Using gRPC
6. Chapter 4: Performance Best Practices for Using gRPC on .NET 7. Chapter 5: Applying Versioning to the gRPC API 8. Chapter 6: Scaling a gRPC Application 9. Section 3: In-Depth Look at gRPC on .NET
10. Chapter 7: Using Different Call Types Supported by gRPC 11. Chapter 8: Using Well-Known Types to Make Protobuf More Handy 12. Chapter 9: Securing gRPC Endpoints in Your ASP.NET Core Application with SSL/TLS 13. Chapter 10: Applying Authentication and Authorization to gRPC Endpoints 14. Chapter 11: Using Logging, Metrics, and Debugging in gRPC on .NET 15. Assessments 16. Other Books You May Enjoy

Why an API versioning strategy is important

We will begin by setting up two applications. We will pretend that these two applications are developed by different teams and they don't have access to shared gRPC dependencies. This setup will be done to demonstrate why API versioning is so important.

For convenience, while using an IDE, you may add these applications to the same solution. But this is not necessary, as these applications will not share any dependencies.

Creating a server application

We will start by executing the following command to create an ASP.NET Core application based on the gRPC Service template:

dotnet new grpc -o GrpcServer

In the GrpcServer project folder that has been created, we will remove the default greet.proto file from the Protos folder. Then, we will place the stats.proto file in there with the following service definition:

syntax = "proto3";
 
package stats;
 
service Status {
  rpc GetStatus (StatusRequest)...
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